#!/usr/bin/node

const stdin = process.stdin,
      stdout = process.stdout;

stdin.setEncoding('utf-8');

stdin.on('data', (data) =>{
  stdout.write(data.toUpperCase());
});

stdin.push('hello world!\n ');
//stdin.pipe(stdout);

for(let c='a'.charCodeAt(0); c<='z'.charCodeAt(0); c++) {
  stdout.write(String.fromCharCode(c));

}

stdin.on('end',()=>{
  process.exit();
});

